Zestbolt Ultra Ai3 4G Smart Watch | AMOLED GPS Rotating Camera

Zestbolt Ultra Ai3 — The Smartwatch That Does It All

Meet the Zestbolt Ultra Ai3, a full Android smartwatch engineered for modern life. With a stunning 2.2-inch AMOLED HD round display, a 180° rotating 8MP camera, built-in GPS, 4G SIM calling, and Google Play access, this watch is essentially a smartphone on your wrist — beautifully designed and packed with features for tech-forward individuals.

Made in Mainland China.

Standout Features

• 180° Rotating 8MP Camera — Capture photos, shoot videos, and make video calls from any angle with zero blind spots.
• 2.2" AMOLED HD Display (448×528) — Vivid colours, deep blacks, ultra-narrow bezels, and an impressively high screen-to-body ratio make every glance a visual treat.
• 4G LTE SIM Calling — Make and receive calls directly from your wrist. Supports 4G FDD/TDD bands B1, B3, B5, B7, B8, B20, B38, B39, B40, B41 (please ensure your SIM card supports these bands).
• Android 10.0 OS with Google Play — Download apps, browse social media, stream TikTok, play games, and more — all from your wrist.
• Powerful Hardware — SC8541E CPU, up to 4 GB RAM + 128 GB ROM; multiple memory configurations available.
• 1,280 mAh Battery — Extended battery life keeps you connected throughout your day.
• Built-in GPS + Compass — Accurate real-time navigation and a built-in pathfinder compass for outdoor adventures.
• Wi-Fi & Bluetooth 4.2 — Connect to wireless networks and pair Bluetooth earphones for hands-free audio.
• Multi-Touch Screen — Pinch, zoom, and swipe just like a smartphone; multi-gesture support for intuitive control.
• Comprehensive Health Tracking — Monitors heart rate, blood pressure, sleep patterns, steps, distance, and calories throughout the day.
• Life Waterproof — Handles everyday splashes and light exposure with confidence.
• Multiple Watch Faces & Detachable Band — Personalise your look with downloadable dials and a swappable strap.
• Voice Assistant Built-In — Hands-free commands whenever you need them.
• 17+ Languages Supported — Including English, Spanish, French, German, Arabic, Japanese, Korean, Russian, and more.
• CE / FCC / RoHS Certified — Meets international safety and environmental standards.

Full Connectivity Specs

• 2G: B3, B5, B8
• 3G: B1, B5, B8
• 4G FDD/TDD: B1, B3, B5, B7, B8, B20, B38, B39, B40, B41
• Wi-Fi: Yes | Bluetooth: 4.2 | GPS: Yes | SIM Card Slot: Yes

Activity & Fitness Tracking

The Ultra Ai3 continuously monitors your wellness with an accelerometer, gyroscope, heart rate sensor, barometer, and step counter. Set alarms, track workouts, follow your calendar, and use the built-in calculator — all from your wrist. The mood tracker and sleep tracker let you stay in tune with your body's daily rhythms.

Supported Apps & Media

• Audio: MP3, AAC, AAC+, WMA, DRA, AMR-NB
• Image: JPG, JPEG, BMP
• Apps: Clock, SMS, Phone, Contacts, Calendar, Browser, Email, Music, Gallery, Camera, Download Manager, and any Google Play app

What's in the Box

• Smart Watch × 1
• Screen Protector × 1
• Screen Case × 1
• Charging Cable × 1
• Watch Manual × 1
• Original Box × 1

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For more information on wireless and consumer electronics safety standards, visit the FCC Consumer Guide on Mobile Devices.

Learn more: Smartwatch

Frequently Asked Questions

Q: Does the Zestbolt Ultra Ai3 work as a standalone phone without being connected to a smartphone?

A: Yes! The Ultra Ai3 runs Android 10.0 and supports a 4G SIM card, meaning it operates completely independently. You can make calls, send messages, browse the internet, use GPS navigation, and download apps from Google Play — all without needing a paired smartphone.

Q: Which SIM cards are compatible with the Ultra Ai3?

A: The watch supports 4G LTE bands B1, B3, B5, B7, B8, B20, B38, B39, B40, and B41. Please check with your mobile carrier to confirm your SIM plan supports at least some of these bands before purchasing. A standard nano-SIM is typically required.

Q: How does the 180° rotating camera work?

A: The 8MP camera is mounted on a rotating mechanism that swings up to 180°, allowing you to point it toward yourself for selfies and video calls, or rotate it outward to capture the world around you — all without removing the watch from your wrist.

Q: Is the Ultra Ai3 compatible with both Android and iPhone?

A: The watch runs its own Android 10.0 operating system and functions as a standalone device. It can also sync with both Android and iOS smartphones via Bluetooth for notifications and call mirroring.

Q: What health metrics does the Ultra Ai3 track?

A: The watch tracks heart rate, blood pressure, sleep quality, daily steps, distance travelled, and calories burned. It also features a mood tracker and continuous activity monitoring throughout the day.